Dump-wagon.



C. HOWLAND. DUMP WAGON. AFPI-loulou FILED Nov. s, 1910.

Patented May 2, 1911.

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C. HOWLAND.

i DUMP WAGON. APPLICATION IILBD NOV.`9, 1910.

Patented May 2, 1911.

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i a i a, i t t" CHARLES HOWLAND, 0F PONTIAC, MICHIGAN.

DUMP-WAGON.

Specification of Letters Patent.

Patented May 2, '1911.

To all whom it may concern:

Be it known ,that yI, CHARLES HOWLAND, a citizen of the United States ofAmerica, residing at Pontiac, in the county of Oakland and State ofMichigan, have invented certain new and useful Improvements inDump-Wagons, of which the following is a specification, reference beinghad therein to the accompanying drawings.

This invention relates to dump wagons and more particularly to anarrangement thereof whereby the unloading of the cart is accomplishedwith little diliculty and whereby the box is closed tightly after beingemptied.

One feature of the invention is the adaptability of the device to wagonsof the selfloading type or of thetype adapted for use with mechanicalloaders.

The invention consists in the matters hereinafter set forth and moreparticularly pointed out in the appended claims.

In the drawings, Figure l is a view in side elevation, partially brokenaway and partly in section, of a wagon embodying features of theinvention; Fig. 2 is a plan view thereof partly in section and partiallybrolzen away. Fig..3 is a view in detail of equalizer and chains; Fig. 4is a view in detail of a cha-in pulley and guide; Fig. 5 is a view indetail in cross sect-ion of a guide and chain, and Fig. 6 is a View indetail of an axle litting for a chain.

As herein indicated, a wagon box having sides 1 is mounted on forwardbearing wheels 2 and rear bearing wheels 3. As herein shown, the box hasa rear section with a platform indicated at 4 pivoted on the rear axle 5with side aprons 6 abutting the sides 1 of the box when the platform isin normal horizontal position and having extensions 7 which close thegap between the wings and the ends of the sides when the platform islowered. The latter is controlled by any suitable means as for example,a flexible connection indicated at 8 and secured at one end to anextension or upright 9 on the platform with its forward portion fastenedaround a windlass or drum 10 near the drivers seat.

A series of transverse sections 11 form the bottom of the box, theirforward ends being pivotally secured thereto by any preferred meansindicated at 12. A shaft 13 is journaled across the forward portion ofthe box near the drivers seat and is rotated by mea-ns of a pulley 14and belt l5 by a motor 16 mounted on the front of the box, an idler 17being used to tighten the belt. Or if desired, other convenientoperative connections between the shaft and motor may be used. A chainpulley 18 is secured on each end of the shaft with a guard wheel 19 thatconfines a chain 2O extending over the pulley and over guide sheaves 21journaled on the box sides 1. The free end of the forward one of thesections 11 is supported by a pulley 22 mounted thereon and lying in aloop or bight of the chain 20. As a matter of convenience the pulley 22may be journaled on the end of a strap hanger 23 pivoted at its lowerend to the section, so that dirt traveling down the section when thelatter is depressed does not work into the chain. If the links areomitted the chain is disposed as shown by the dotted lines 34. The chainpasses around another guide pulley 24 on the rear section of the mainbody and thence over a sheave 25 and through an aperture in the axle 5or under a fitting 33 onthe axle .to a rear guide block 26, its endportion being drawn around a sheave 27 and secured to a transverselydisposed equalizing spring 28 under the free end of the bottom sectionwhich constitutes a part of the extension platform 4. The forwardportion of the chain which Adepends from the pulley 1S travels along` asuitably designedguide chute 29 int-o a casing 30. A ratchet wheel 31with dog 32 holds the shaft 13 from allowing the chains to run out whenthe sections are drawn up and the box is closed.

In operation, a box that is loaded is readily emptied by releasing thepulley shaft and allowing the sect-ions to fall, either freely orthrough operation of the motor so as to allow the use of the wagon forgrading purposes. By reversing the motor the sections are readily drawnto place and as the chains on the opposite sides of the box areconnected by the equalizing spring any stretching or inequality in thechain is coinpensated for. lVhen the wa gon is used with a mechanicalloader, that is, is provided with a rear extension that may be droppedto the ground for drawing a scraper or the like up on to the box, thepassing ofthe chain through the rear axle or, similarly, through orclose to the pivotal axis of the rear extension allows the latter to betilted as desired wit-hout if.

. "tions and coactmg flexible members, and

sides,

affecting the length of the chain as the rear stretch of the latter isradially disposed. The motor, of course, may be used to actuate a drumfor hauling the scraper or other mechanical loader when the wagon isstationary. The forward port-ions of the chain l are prevented fromentangling by the use of the guide chutes under the chain pulleys sothat the chains run freely at all times while their slack or unusedportions are housed from contact with the load in the box.

' I claim as my invention l. In a dump wagon,`a box, bottom sectionseach pivoted to swing on an axis transverse to the box, a tiltable rearextension to the box, a bottom section therefor pivoted to swing on anaxis parallel to the axes of the other sections, flexible members eachon a side of the box supporting the sections of the box and of theextension and coacting to swing the sections simultaneously, and meansfor operatingthe flexible members.

Q. In a dump wagon, a box, bottom sections each pivoted to swing on anaxis transverse to the box, a` tiltable rear extension 'to the box, abottom section therefor pivoted vto swing on an axis parallel to theaxes of the other sections, fiexible members each on a side of the boxsupporting the sections of the box and of the extension and coacting toswing the sections simultaneously, means yieldingly connecting the rearends of the flexible members, and means for operating the flexiblemembers.

3.' In a dump wagon, a. box, a tiltable rear extension thereto, meansfor tiltingthe extension, bottom sections, in the box and extensionpivoted to swing on axes transverse to the box, guide sheaves on thesides of the box, the extension and the free ends of the sections,flexible members each passing over the sheaves at one side of the boxand secto swing the sections simultaneously, a compensating memberyieldingly connecting the rear ends of the means for operating 'themembers simultaneously.

, 4L. In a dump wagon, a box, bottom sections thereon pivoted to swingon axes, transverse to the box, guide sheaves on the box guide sheavessecured to the free ends of the sections, Ya chain pulley at the forwardend of each side `of the box, chain guide chutes each leading from oneof the pulleys into the forward portion of the box, chains whose forwardunattached ends` lie in the box, passing up the chutes, over thel'pulleys and box sheaves, and under the section sheaves, and means fordriving the pulleys.

5. In adump wagon a box, bottom secltions thereon pivoted to swing onaxes transverse to the box, guide sheaves on the box sides, guidesheaves secured to the free ends of the sections, a chain pulley at theforward end of each side of the'box, chain guide chutes each leadingfrom one of the pulleys into the forward portion of the box, ychainswhose forward unattached ends lie in the box, passing up the chutes overthe pulleys `and box sheaves and under the section sheaves, acompensating spring connecting the rear ends of the chains under therear section, and means for driving the pulleys. y

6. In a dump wagon, a box, bottom sections thereon pivotedto swing onaxes transverse to the box, guide sheaves on the box sides, guidesheaves secured to the free end of each side of the box, chain guidechutes each leading from one ofthe pulleys into the forward portion ofthe box, chains whose forward unattached ends `-lie in the box, passingup the chutes over lthe pulleys and box sheaves and under the sectionsheaves, a rear extension pivoted to :the hack end of the box, a'bottomsection therein pivoted on an axis parallel to the axes of the boxsections, and provided with guide apertures adjacent the axis of itscenter of motion, guide sheaves on the extension to which the chainslead from the apertures through which they pass, guide sheaves on the{extension section under which the chains pass,

and means for driving the pulleys.

7. In a dump wagon, a box, bottom sections thereon pivoted to lswing vonaxes transverse to the box, guide sheaves on the box sides, guidesheaves secured to the free ends of the sections, a chain pulleyl at theforward end of each side of the box, chain guide chutes each leadingfrom one of the pulleys into the forward portion of the box, chainswhose forward unattached vends lie in the box, passing upl the chutesover the pulleys and box sheaves'and under the section sheaves, a rearextension pivoted to the back end of the box, a bottom section thereonpivoted on an axis parallel to the axes of the box sections,`andprovided with guide apertures adjacent the axis of its center of motion,guidef sheaves on the extension to which the chains lead' from theapertures through which they pass, guide sheaves on the extensionsection under which the chains pass, means for driving the pulleys, and.means for tilting the4 extension.

8. In, a dump wagon, a box, bottom sections thereon pivoted to swing onaxes transverse tothe box, guide sheaves'on the box sides, guide sheavessecured to the free ends of the sections, a chain pulley at ythe forwardend of 'the sections, a chain pulley at the forward end of each sideofthe box, chain guidek chutes each leading from one o the pulleys intothe forward portion of the box, chains whose forward unattachedvends liein the box passing upthe chutes over the pulleys and box sheavesV andunder the section sheaves, a rear extension pivoted to' the back end ofthe box, a bottom section section connecting the chain ends7 and meansl0 thereon pivoted on an axis parallel to the for driving the pulleys.

axes of the box sections, and provided with In testimony whereof I aiiixmy signature guide apertures adjacent the axis of its in presence of twoWitnesses.

center of motion, guide sheaves on the extension to which the chainslead from the CHARLES HOWLAND apertures through which they pass, guideWitnesses:

sheaves on the extension section under Which OTTO F. BARTHEL,

the chains pass, a spring under the extension C. R. STICKNEY.

Copies of this patent may be obtained for ive cents each, by addressingthe Commissioner of IPatents, Washington, D. C.

